Nepean Bay Weather Forecast
- 7
- 20
Sunny
- 10
- 24
Possible shower
- 12
- 23
Becoming cloudy
- 9
- 19
Cloudy
- 7
- 21
Partly cloudy
- 9
- 24
Shower or two
- 10
- 23
Partly cloudy
Today 8 Nov Kangaroo Island
Mostly sunny. Winds easterly 20 to 30 km/h. Daytime maximum temperatures around 20.
Investigator Strait Coastal Waters
- Wind
- Easterly 15 to 20 knots, reaching up to 25 knots inshore during the morning.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- West to southwesterly below 1 metre, increasing to 1 to 1.5 metres through the Backstairs Passage.
- Weather
- Sunny.
- Weather Situation
- A high pressure system centred south of SA will continue to drift eastwards, while a weak low pressure system and trough in WA move east across the SA border. The high will drift southeast of Tasmania by Monday, while the trough and low drift eastwards across SA, clearing to the east late Tuesday. Another high will develop south of the state on Wednesday.
Nepean Bay Temperature Statistics View More
November Temperature
Kingscote Airport (7 km)
Lowest 5 November, 2026
4.1 °CAverage November
14.6 °CHighest 3 November, 2026
24.1 °C
Climate (2021–2026)
Kingscote Airport (7 km)
Average Low 2021–2026
9.3 °CAverage 2021–2026
14.8 °CAverage High 2021–2026
21.1 °C